Check the listing for details. David White Instruments LP6-20 Sight Level w/ Original Hard Case. Condition: Used. Listed at 45.00 USD. Used but everything's good on it This David White Instruments LP6-20 Sight Level is a reliable and efficient tool for any surveying job. With a field of view of 2 ft @ 200 ft (2m @ 100m) and a minimum focus of 4 ft (1.2m), this sight level is perfect for measuring and inspecting levels and surveying equipment. The aperture of 0.75 in (19mm) and a power of 20x make it easy to use and provide accurate measurements. This product comes with its original hard case, making it easy to transport and store. It is ideal for use in various industries, including business and industrial settings, as well as in the field of test, measurement, and inspection. With its brand name and model number, this sight level is a great addition to any surveying equipment collection.